Soldiers incinerate marijuana plants at an illegal plantation found during a military operation on Friday at the Culiacan mountains, northern Mexico, Monday, Jan. 30, 2012. The drought in northern Mexico is so bad that it has hurt even illicit drug growers and their normally well-tended crops of marijuana and opium poppies, Gen. Pedro Gurrola, commander of army forces in the state of Sinaloa, said Monday. (AP Photo/Marco Ugarte)